Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
120014387TF
No factors below 277
TF target 277
P-1
B1 = 935000
B2 = 525623670
PRP
StatusDateUserResidueShiftTypeBase
compositeVerified2024-04-22Ruslan BorisovDB03238DBFE087A49650745313
History
DateUserTypeResult
2024-06-22Jarod McClintockNF
no factor from 2^72 to 2^73
2024-04-22willawogaCERT
PRP Certification
CERT proof power = 10
Proof certified good
2024-04-22Ruslan BorisovC-PRP
DB03238DBFE087A4
PRP proof power = 10
PRP: Verified
Proof certified good
2023-10-31Simon JosefssonNF-PM1
B1=935000, B2=525623670
2022-05-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-11TheJudgerNF
no factor from 2^75 to 2^76
2021-07-11TheJudgerNF
no factor from 2^74 to 2^75
2021-05-03Richard ThomasNF
no factor from 2^73 to 2^74
2019-05-14ConductorNF
no factor from 2^72 to 2^73
2012-03-26UlyssesNF
no factor from 2^71 to 2^72
2012-03-24UlyssesNF
no factor from 2^70 to 2^71
2012-03-21UlyssesNF
no factor from 2^69 to 2^70
2012-03-16UlyssesNF
no factor from 2^68 to 2^69
2012-03-14UlyssesNF
no factor from 2^67 to 2^68
2012-03-09UlyssesNF
no factor from 2^66 to 2^67
2012-02-29UlyssesNF
no factor from 2^65 to 2^66
2010-10-19RichardNF
no factor from 2^64 to 2^65
2010-01-16carlos56NF
no factor from 2^63 to 2^64